AN316 - Migrating from FM25640 to FM25640B | サイプレス セミコンダクタ
AN316 - Migrating from FM25640 to FM25640B
AN316 discusses the key differences that need to be considered when migrating from FM25640 to FM25640B.FM25640 is now obsolete and this application note explains how FM25640B is a replacement for FM25640.
FM25640B, a 64-Kbit SPI F-RAM™, is a replacement device for FM25640, which is now obsolete. The two devices are identical in terms of pinouts and read/write functionality. In terms of speed, the FM25640 operates up to 5 MHz while the FM25640B operates up to 20 MHz. This application note discusses the key differences between the two devices that need to be considered when migrating from FM25640 to FM25640B.
Dear valued customer,
Thank you for choosing our products. They come with all the know-how and passion that our engineers have put into it. As you probably already know, Cypress is now Infineon. This is a major step for our company, but also for the good of you.
Reliability and business continuity are of utmost importance for us. Hence, we remain fully committed to honoring existing customer and distributor relationships. This includes offering the legacy Cypress product portfolio. We thank you very much for your trusting support.
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